here are three securities, Security A, Security B, and Security C. Security C is equivalent to the portfolio of two unit

[answerhappygod]

here are three securities, Security A, Security B, and Security
C. Security C is equivalent to the portfolio of two units of
Security A and three units of Security B. The risk free interest
rate is X%.
Security A will provide you dollars of $660 amount today without
any risk. Security B will provide you $1000 in two years without
any risk.
Suppose the no-arbitrage price of Security C is $3800, then X%
is closest to:
9.99
8.25
2.88
9.11
7.42